1. Zchau, W., Proc. Palm Oil Product Technology in the Eighties, Kuala Lumpur, Malaysia, June 1981.
2. Shaw, D.B., and G.K. Tribe, Ibid.
3. Khoo, L.E., F. Morsingh and K.Y. Liew, JAOCS 56:672 (1979).
4. Hancock, R.F., Proc. Palm Oil Product Technology in the Eighties, Kuala Lumpur, Malaysia, June 1981.
5. Kheok, S.C., and E.G. Thomas, Report submitted to the school of Mining Engineering, University of New South Wales, Aus-tralia, and ICI Australia Ltd., 1980.